Planning applications in Llantwit Major
Last application update 13 Jul 2026
See what's happening with planning in Llantwit Major: 122 planning applications tracked so far.
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Status breakdown
Other (6)
- Withdrawn5
- Granted with conditions1
Latest notices
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20 Boverton Brook, Llantwit Major
GrantedFirst floor side extension, garage conversion and single storey rear extension, and widening of the driveway.
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Ringwood House, 1 Ringwood Crescent, St Athan CF62 4LA
GrantedRemoval of front elevation dormer (unauthorised) and proposed replacement (x2) dormers with Juliet balconies
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Unit 1, Vale Business Park, Llandow
UndecidedConstruction of an industrial unit (Class B2), Associated access and car parking
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West Orchard Farmhouse,Llantwit Road, St Athan
WithdrawnRetention of wooden ship lap storage shed along the rear boundary, wooden slatted three sided storage unit for logs, black coated aluminium glass greenhouse…
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Police Station, Wesley Street, Llantwit Major
RefusedDemolition of the existing single storey side extension with change of use of the existing Police Station into two semi detached 3 bed dwellings including…
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19A, Vale Business Park, Llandow
GrantedChange of use from B2 industrial including automotive use to B8 Storage and distribution.
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Upper Barn, Flemingston
GrantedReplace existing wooden single glazed windows with heritage flush wood grain effect uPVC windows in agate grey
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Nirvana, 2 Castle Precinct, Llandough, Cowbridge
RefusedWork to Tree(s) covered by Tree Preservation Order No.1 1950: T1 - Cedar- Removal Ref: 01
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Parc Farm, Parc Farm Lane, St Donats
GrantedProvision of ménage (60 m x 30 m) for private use. Formation of access track to ménage and buildings (part retrospective)
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MOD St Athan, St Athan, Barry
GrantedDemolition of existing buildings, construction of a permanent building and associated landscaping at MOD St Athan.
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Land North of Ffordd Bro Tathan, St Athan
GrantedDischarge of Conditions 15. (Dormouse Conservation Plan) 16. ( Landscape & Ecological Management Plan. For Planning Permission Ref; 2023/00780/FUL - Demolition…
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St Donats Castle, St Donats Art Centre, East Drive, St Donats
GrantedRemove and store for re-use, the ridges and roof slates. Repair any rotten timbers, cover with membrane, new battens, re slate using salvaged slate and re -fit…
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Picketston House, Picketston Village, Picketston
GrantedRemoval of unsafe UPVC conservatory structure to East side of building. Replacement UPVC roof with Welsh slate to West side conservatory.
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Picketston House, Picketston Village, Picketston
GrantedReinstate a stud partition wall
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Llandough Castle, Llandough, Cowbridge
RefusedWork to Tree(s) covered by Tree Preservation Order 1950, No. 1 - T1- Poplar - Removal
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Town Hall Car Park, Rear lane to Burial Lane, Llantwit Major
GrantedWork to Tree(s) in a Conservation Area: Self seeded willow, situated in Town Hall Carpark, causing structural damage to boundary wall intent on removal and…
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Orchard Business Park, Bona Road, Llandow
Granted with conditionsDischarge of Conditions 3. (Programme of Archaeological Work) 6. (Lighting Strategy) 7.(Reptile Mitigation) 16.(WaterMain) 17.(POS) 18.Public Art). For…
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Old Farm House, Llandow
GrantedInternal renovation and rear single storey extension with associated landscape works.
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5 Great House Meadows, Llantwit Major
GrantedWork to tree covered by TPO No.03 of 1977: Remove overhanging branches from sycamore tree
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Westgarth, Sigingston
GrantedProposed two storey rear extension and first floor front extension, external and internal alterations and replacement of windows / doors
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4 East View, Llandow
GrantedInstall an Air Source Heat Pump on the outside of the back of our property
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27, Barons Close, Llantwit Major
GrantedDouble storey side extension and single storey front extension to existing semi detached dwelling
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Picketston House, Picketston Village, Picketston
GrantedInstall new front and rear door
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Picketston House, Picketston
GrantedListed Building Consent for removal of staircase and reinstatement of ceilings including to the dairy, works to windows and shutters and repairs and repainting…
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Land at Ffynnon Y Capel, St. Donats
RefusedControlled dog walking/exercise field. Pre booked appointments, with one in, one out control
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Penybryn, Llantwit Road, St Athan, Barry
GrantedDemolish of existing garage and lean-to rear extension. Construct new (lawful development) rear lean-to extension, new garage, internal remodelling and…
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The Old Brewery, Eagle Road, St Athan
WithdrawnNon Material Amnedment- An Amenmnet for substitution of the proposed external brick outer skiin layer for a coloured, silicone render instead, in the same…
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Castle Brook Lodge, Llanmaes, Llantwit Major
GrantedDischarge of Condition 4. (Materials Details) for planning permission 2023/00368/FUL - Proposed detached dwelling
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Bridge House Farm, Llanmaes Road, Llanmaes
GrantedProposed side extension with small pitched roof dormer and balcony to one elevation and single storey extension to opposite elevation to existing domestic…
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55, Tre-beferad, Boverton,Llantwit Major
GrantedSingle storey rear extension (revision to previously approved application 2023/00604/FUL)
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How to comment on a planning application in Llantwit Major
Anyone can have their say on a planning application in Llantwit Major. Find the application on the Glamorgan planning authority's public-access portal using the reference number above, then submit a comment before the consultation deadline. Comments are usually limited to planning matters such as overlooking, loss of light, traffic, noise and the character of the area.
Glamorgan is the local planning authority responsible for deciding applications in Llantwit Major. Town Crier mirrors the public record so you can keep track of what is happening near you, but the council remains the authoritative source and the place to submit formal comments.
Nearby areas
Planning applications in the towns nearest here, including neighbouring council areas.
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